Traverse-motion for spinning and winding machines.



J. H. BOYD. TRAVERSE MOTION FOR SPINNING AND WINDING MACHINES.

APPLICATION FILED IUNEII, I9I3J Patented Aug. 7, 1917.

2 SHEETS-SHEET I.

'1 H. BOYD. TRAVERSE MOTION FOR SPINNING AND WINDING MACHINES.

APPLICATION FILED JUNE II, I9l3.

Patented Aug. 7, 19l7.

2 SHEETSSHEET 2- JAMES H. BOYD, OF WHITINSVILLE, MASSACHUSETTS,.ASSIGNOR TO THE WHI'IIN MACHINE WORKS, OF WHITINSVILLE, MASSACHUSETTS,A CORPORATION OF MASSA- CHUSET'IS.

TRAVERSE-MOTION FOR SPINNING AND WINDING MACHINES.

Application filed June 11, 1913.

ings, for forming a bunch on the base of the bobbin for cooperation withthe feeler of automatic replenishing looms, and involves simple andeasily manipulated means for setting the machine so that it will operateeither to produce a bunch wind on the bobbin or a smooth lay thereon, asmay be preferred. The invention also comprises the specific means abovereferred to in combination With certain other parts of the mechanism aswill be hereinafter made apparent and as will be more particularlypointed out in the accompanying claims.

In the two sheets of drawings'forming part hereof,

Figure 1 is a front elevation of so much of an ordinary ring spinningframe, with parts in section, as will be necessary to illustrate theapplication of the invention thereto, it being understood that theinvention is also applicable to analogous lands of textile machinery.

Fig. 2 is an enlarged detail in longitudinal section of the pulleycradle and its bracket support.

Fig. 3 is a top plan thereof.

Fig. 4 is a side elevation of the same viewed from the opposite side ofthe machine as shown in Fig. 1.

Fig. 5 is a detail on a still larger scale, of the pulley or rotaryguide.

Fig. 6 is a detail of the filler thereof; and

Fig. 7 is a section of the pulley showing the means whereby the filleris secured thereto.

The numeral 1 represents the end standard of the spinning frame, 2 theusual bolster beam thereof bearing the spindles 3, and 1 represents thering rail which is carried on rods 5, the latter being operated by thelifter Specification of Letters Patent.

Patented Au '7, 1917.

Serial No. 772,970.

levers 6, as will be well understood by those familiar with thissubject. The lifter levers 6 are connected through their sector arms 7,and a chain or like flexible connection, with the builder motion 8,which may be of any usual construction and ordinarily involves a builderlever pivoted on a stud 9 on the end upright 1, such lever receiving anup and down motion from a builder cam 10, and its chain connectionsreceiving an additional gain movement through the cooperation of itsratchet wheel with a suitable pawl, as indicated in a general Way inFig. 1. The specific construction of the builder mechanism forms no partof the present invention and detailed description thereof will nottherefore be necessary. It will of course be understood that itsfunction is to impart its oscillating movement through the lifter levers6, and lifter rods 5, to the ring rail 4:, so as to lay the yarn on thebobbin in any particular form of Wind that may be desired.

The means whereby the oscillating movement of the builder mechanismtransmits its movement to the sector arms 7 of the builder levers,comprises a chain 11 con nected to the said oscillating lever andextending upwardly therefrom to a guide-pulley 12, to which the end ofthe chain is secured, as indicated at 11 in Fig. 2. This guide pulley isa double tread wheel or sheave journaled on an axle 13, which axle iscarried in a cradle 14:, and the cradle 14 is mounted so that it mayrotate on its longitudinal or horizontal axis in a gooseneck bracket 15,secured to the upright 1 directly above the builder lever. As thebuilder lever oscillates on its horizontal stud 9, the angle of thestretch of chain 11 changes more or less from the vertical and therotary mounting of the cradle and its guide pulley serves to accommodatesuch change, so that the chain 11 will at all times be perpendicular tothe axis or axle 13 of the rotary guide pulley, substantially in themanner shown and described in Patent No. 677,791, dated July 2, 1901.The remaining portion of the flexible connection from the builder leverto the sector arm 7, comprises a stretch of chain 16 connected at oneend to the said sector lever and at the other end with the oppositetread of the rotary guide pulley, a

swivel 17 being included in the stretch to accommodate the swivelingaction of the cradle and guide above referred to. The chain 11 in thepresent instance is secured to the tread of the guide pulley which istoward the front of the machine as viewed in Fig. 1 and marked 12*. andthe chain 17 is secured to the tread 12" in rear thereof, in such mannerthat the unwinding of the chain from one tread produces the wind of thechain on the other tread,and vice versa.

The two treads are desirably separated by a rim 'fiange'12", and theirchains are confined thereon'by means of side flanges 12 and 12*,respectively. The chains will thus be confined properly to the guidepulley when they are slack, as a doffing, notwithstanding the angularposition which the guide pulley may hold in itsbracket 15 at the time.

'In'norma-l operation the function of the guide pulley is first tochange the direction of the up and down motion of the builder lever intohorizontal motion'of the chain 16 and the sector arms, and,sec-ond, tomodify suchmotion at the initial stage of the building action so .asto"affect the lay of the yarn upon the bobbin and produce a bunch thereonsuch as will be suitable for, cooperation with the 'feeler of automaticlooms, or for any other purpose that may be desired. To

this end the tread 12 is mutilated or distorted, as, for example, byremoving a segment thereof, as indicated in Fig. 5, leaving a flatsurface'18 thereon, which is so located as to be in contact with thechain 16 at the beginning of'the winding action. This irregularity inthe otherwise cylindrical surface of the pulley tread produces arelative dwell in the action of the chain 16 and the parts which liftthe ring rail, so that the desired bunch is formed near the base of thebobbin, but as the range of the traverse progresses toward the tip ofthe bobbin, gradually'revolves to a position where it will be out ofcontact with the chain and'ineffective thereon, so that after thebunch'has been formed the rest of the bobbin will be built with suchwind as may be determined by the characteristics of the buildermechanism 8. When it is desired to build a smooth lay on the bobbin, as,for instance, when changing over to spin a warp yarn, the tread surface12* of the guide pulley is restored to its cylindrical contour byinserting or replacing a removable part or segment, such as shown at 19in Figs. 6 and 7 This attachment can be bolted to the body of the pulleyby means of a bolt 20, as shown, and

is provided with a rim flange 19 which is contlnuously circular with ther1m flange 1%,

so as in effectto provide a plain circular tread for the chain 16. Itwill be observed, more particularly in Fig. 41, that the struc ture ofthe cradle 14, is such as to permit access to the head of the bolt 20,without removing the guide pulley therefrom, so that changing over froma bunch to a smooth wind, or vice versa, can be accomplished withoutinconvenience or complication.

By forming the guide pulley as a compound or double tread wheel, it maybe as small as desired and yet bear a suflicient length of the chain 11lapped thereon to accommodate the full traverse and 'gainmovementsnecessary, but if size is not regarded as of consequence, the pulley maybe a single tread pulley and the chains 16 and 11 a single stretch ofchain. In'such' case the single tread will be interrupted in the 'samemanner, as above described, to produce a dwell'of the traverse motionat'theproper point and siippliedwith a removable .and replaceable fillersegment such as shown in Fig. 6,"for changing over'to a smooth lay. Thefunction and mode of operation of the distorted tread and its removableattachment will then of course be the same-as in the case abovespecifically described and shown in the drawings. It will beunderstoodby those skilled in this 'art that the mechanism above described isnotlimited in respect of the details'of its mechanical assemblage orconstruction, except as-expressl'y specified in the claims hereto,"andthat various omis sions, alterations and reversals may be resorted towithout departing from the invention.

I claim:

1. In a spinning frame,-the combination of a traversed rail, a buildermot-ion com prising a flexible connection for operating the'rail, arotary guide for such connection having a slabbed-oif portion, a segmentcomplementary to said slabbed-off portion, and means for fixedly unitingthe segment to the guide and permitting removal thereof, wherebytheguide may operateto'produce either a bunch wind or a'smooth lay onthe bobbin.

2. In a spinning frame, the combination of a'traversedrail,abuilderfmotion comv the builder mechanism and the other'to the,

traversed rail, and one tread having acut away portion,'m combinationwith a"s'egment formed to complete the contour ofsaid cutaway tread, andmeans "for passing through said segment from the face thereof able andhaving means for securing the same 10 into the other tread portion tosecure the in place. segment in place and permit removal In testimonywhereof, I have signed this therelof. d 11 f b m specification in thepresence of two Witnesses.

4. gui e pu ey or iii er motions provided With double treads andchain-confin- JAMES BOYD ing flanges a section of said pulley at oneWVitnesses: side comprising a portion of one of the WM. H. H0011, treadsand of its outside flange being remov- OSCAR L. OWEN.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. C.

